CN103122981B - A kind of support unit supporting different axle head sized balls leading screw - Google Patents
A kind of support unit supporting different axle head sized balls leading screw Download PDFInfo
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- CN103122981B CN103122981B CN201310042640.4A CN201310042640A CN103122981B CN 103122981 B CN103122981 B CN 103122981B CN 201310042640 A CN201310042640 A CN 201310042640A CN 103122981 B CN103122981 B CN 103122981B
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- tapered sleeve
- leading screw
- conical surface
- spring tapered
- support unit
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Abstract
The invention discloses a kind of support unit supporting different axle head sized balls leading screw, specifically a kind of support unit supporting different axle head sized balls leading screw.This support unit is formed primarily of gland nut, thread bush, circlip, spring tapered sleeve, bearing, inner conical drogue, supporting base, spacer and locking nut.It is characterized in that, after the leading screw changing different size, by changing spring tapered sleeve, bearing, circlip, spacer and the locking nut in support unit, just to complete the support to leading screw while not dismantling supporting base.Compact structure of the present invention, centering precision is high, easy to operate, and cost is low, is easy to processing.
Description
Technical field
The invention belongs to leading screw support technology field, particularly a kind of support unit supporting different axle head sized balls leading screw.
Background technique
The occasion of leading screw is used all to need to support leading screw.In most cases, repeatedly can not dismantle it again after leading screw installs, install, only just leading screw can be dismantled from bearing when leading screw breaks down or overhaul.Even if may dismantle it in the working life of leading screw, but its workload is compared much smaller with the service time of leading screw.Therefore, in the ordinary course of things, the support unit of leading screw is similar with the bearing block structure of general axial workpiece.But with leading screw be detected element test bed in, using method and the common using method of leading screw make a big difference---in order to test the leading screw performance of different specification size, need often to dismantle leading screw.Under this application, if also use common supporting base, not only disassemble and assemble work amount is large, and the centering precision of leading screw is difficult to be guaranteed.
Chinese utility model patent CN 202057488U, name is called: a kind of high speed ball screw performance test stand of interchangeable leading screw.The patent proposes a kind of method can measuring different specification size leading screw, embodiment is: before leading screw, in tailstock, use the leading screw axle sleeve that can change, before axle sleeve uses screw to be fixed on, on the support of tailstock.Leading screw by the bearings in axle sleeve on front, tailstock.When changing the leading screw of different axle head size, need the bearing changing different axle sleeves and inside.This kind of mode support unit structure is comparatively simple, but centering precision cannot be guaranteed.When using the leading screw of different axle head size, axle sleeve is installed will definitely not bring very large impact to the result of leading screw performance measurement.
Summary of the invention
Technical problem solved by the invention is to provide a kind of support unit supporting different axle head sized balls leading screw.
The technical solution realizing the object of the invention is: a kind of support unit supporting different axle head sized balls leading screw, comprises supporting base, inner conical drogue, spring tapered sleeve, locking nut, spacer, bearing, gland nut, circlip and thread bush, in supporting base, inner conical drogue is set, and by the locating face of supporting base, inner conical drogue is located, supporting base also arranges thread bush, described thread bush is fixed by screws on supporting base, the inside of inner conical drogue arranges spring tapered sleeve, therebetween can be felt relieved exactly by cone match, bearing is equipped with in spring tapered sleeve inside, circlip is fastened by screw and spring tapered sleeve, the end face of circlip is by bearing axially locating, the conical surface of gland nut matches with the conical surface of spring tapered sleeve, spring tapered sleeve is compressed, bearings ball screw to be measured, locking nut and spacer are enclosed within ball screw to be measured, locked and axial restraint.
Compared with prior art, its remarkable advantage is in the present invention: 1) the present invention adopts cone match, and processing is simple and centering is reliable, convenient disassembly; 2) may occur in bearing that the part of wearing and tearing all uses independent part strength, as inner conical drogue 2 and thread bush 9, if wearing and tearing appear in these parts, then can ensure that support unit still can normally use by the mode changing new parts; 3) the spring tapered sleeve 3 of different inner diameters is used namely can to support the ball screw of different axle head size and not change integrated support seat 1, can ensure that supporting base 1 once mounting adjusted position postpone precision is constant like this, the precision avoiding repeated disassembled and assembled supporting base to bring is lost.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of leading screw support unit of the present invention.
Fig. 2 is the spring tapered sleeve structural drawing in the present invention.
Fig. 3 is the gland nut structural drawing in the present invention.
Embodiment
Support a support unit for different axle head sized balls leading screw, comprise supporting base 1, inner conical drogue 2, spring tapered sleeve 3, locking nut 4, spacer 5, bearing 6, gland nut 7, circlip 8 and thread bush 9;
Inner conical drogue 2 is set in supporting base 1, and by the locating face of supporting base 1, inner conical drogue 2 is located, supporting base 1 also arranges thread bush 9, described thread bush 9 is fixed by screws on supporting base 1, the inside of inner conical drogue 2 arranges spring tapered sleeve 3, therebetween can be felt relieved exactly by cone match, bearing 6 is equipped with in spring tapered sleeve 3 inside, circlip 8 is fastened by screw and spring tapered sleeve 3, the end face of circlip 8 is by bearing 6 axially locating, the conical surface of gland nut [7] matches with the conical surface of spring tapered sleeve 3, spring tapered sleeve 3 is compressed, bearing 6 supports ball screw to be measured, locking nut 4 and spacer 5 are enclosed within ball screw to be measured, locked and axial restraint.
The outer surface of described spring tapered sleeve 3 is made up of large conical surface 3-1, cylndrical surface 3-2 and little conical surface 3-3, and wherein large conical surface 3-1, cylndrical surface 3-2 are all identical with the basal diameter of little conical surface 3-3, and described large conical surface 3-1 and inner conical drogue 2 coordinate, and play the effect of centering; The cone match of little conical surface 3-3 and gland nut 7, plays the effect of clamping; Spring tapered sleeve 3 outer surface has some elongated slot 3-4 be parallel to each other, being formed can the jaw of concentric contraction.The material of described spring tapered sleeve 3 is spring steel.The quantity of described elongated slot 3-4 preferably 8.
The described screw thread 7-1 of gland nut 7 outer surface and the internal thread of thread bush 9 match, reach and tighten, some groove 7-2 are vertically had at the outer surface of gland nut 7, in gland nut 7 endoporus, be processed with conical surface 7-3, pressuring action is played in the little conical surface 3-3 cooperation of this conical surface 7-3 and spring tapered sleeve 3.The quantity of described groove 7-2 preferably 6.
Further detailed description is done to the present invention below:
Composition graphs 1, the present invention can support the support unit sectional view of different axle head sized balls leading screw.During assembling, first inner conical drogue 2 and thread bush 9 are installed.Inner conical drogue 2 is placed in supporting base 1 endoporus, and is moved by the locating face restrictive axial of supporting base 1, power is passed to inner conical drogue 2 after gland nut 7 holddown spring tapered sleeve 3 and realizes location clamping.Thread bush 9 is fixed by screws on supporting base 1, is processed with internal thread in thread bush 9 endoporus.If wearing and tearing appear in internal thread, then can change a new parts thus avoid whole supporting base 1 to scrap.Spring tapered sleeve 3 inside is provided with bearing 6.In order to make bearing axially locating, there is a locating face at the conical surface small end place coordinated with inner conical drogue 2 near spring tapered sleeve 3; Meanwhile, have a circlip 8 at spring tapered sleeve 3 opposite side, circlip 8 is fixed by screw and spring tapered sleeve 3, and the end face of circlip 8 can clamp bearing 6, realizes the axially locating of bearing 6, clamping.By these part integral installations of mounted spring tapered sleeve 3, bearing 6 and circlip 8 are inner to supporting base 1 in the manner described above, spring tapered sleeve 3 and inner conical drogue 2, by cone match, realize accurately feeling relieved.Namely gland nut 7 is tightened by screw pair and thread bush 9, and the conical surface of gland nut 7 can coordinate with spring tapered sleeve 3, realizes the location of spring tapered sleeve 3, clamping.Locking nut 4 can by lead screw shaft to fixing and locking by screwing with the helical thread portion of leading screw axle head.In order to avoid rotatable parts-locking nut 4 directly contacts with fixed component-spring tapered sleeve 3, between locking nut 4 and spring tapered sleeve 3, a spacer 5 is installed.Spacer 5 one end contacts with locking nut 4, and the other end contacts with the inner ring of bearing 6, this ensures that theres the Contact only having rotatable parts.
When changing the ball screw of different axle head size, unscrewing gland nut 7 and being pulled down, the spring tapered sleeve 3 of inside and check ring 8 are taken out together with the bearing 6 of inside, and pulling down locking nut 4 and spacer 5.Change new spring tapered sleeve, spring tapered sleeve and the bearing and new locking nut and spacer that close with new leading screw axle head matching size.
Composition graphs 2, spring tapered sleeve 3 outer surface is made up of large conical surface 3-1, cylndrical surface 3-2 and little conical surface 3-3, and wherein large conical surface 3-1 and inner conical drogue 2 coordinate, and play the effect of centering; The cone match of little conical surface 3-3 and gland nut 7, plays the effect of clamping.Meanwhile, spring tapered sleeve 3 outer surface is processed with many elongated slot 3-4, being formed can the jaw of concentric contraction, after spring tapered sleeve 3 is by location clamping, namely can clamp inner bearing 6.In order to reach better clamping effect, the material recommendation spring steel of spring tapered sleeve 3.
Composition graphs 3, gland nut outward appearance of the present invention.The screw thread 7-1 of gland nut 7 outer surface can screw to reach with the internal thread of thread bush 9 and tighten.Be processed with multiple groove 7-2 vertically at the outer surface of gland nut 7, special tool insertion groove 7-2 can be used when mounted to rotatably compress nut 7 and reach compacted position.In gland nut 7 endoporus, be processed with conical surface 7-3, pressuring action is played in the little conical surface 3-3 cooperation of this conical surface 7-3 and spring tapered sleeve 3.
As from the foregoing, the present invention adopts cone match, and processing is simple and centering is reliable, convenient disassembly; May occur in bearing that the part of wearing and tearing all uses independent part strength, as inner conical drogue 2 and thread bush 9, if wearing and tearing appear in these parts, then can ensure that support unit still can normally use by the mode changing new parts; Use the spring tapered sleeve 3 of different inner diameters namely can support the ball screw of different axle head size and not change integrated support seat 1, can ensure that supporting base 1 once mounting adjusted position postpone precision is constant like this, the precision avoiding repeated disassembled and assembled supporting base to bring is lost.
Claims (4)
1. one kind can support the support unit of different axle head sized balls leading screw, it is characterized in that, comprise supporting base [1], inner conical drogue [2], spring tapered sleeve [3], locking nut [4], spacer [5], bearing [6], gland nut [7], circlip [8] and thread bush [9];
Inner conical drogue [2] is set in supporting base [1], and by the locating face of supporting base [1], inner conical drogue [2] is located, supporting base [1] is also arranged thread bush [9], described thread bush [9] is fixed by screws on supporting base [1], the inside of inner conical drogue [2] arranges spring tapered sleeve [3], therebetween can be felt relieved exactly by cone match, bearing [6] is equipped with in spring tapered sleeve [3] inside, circlip [8] is fastened by screw and spring tapered sleeve [3], the end face of circlip [8] is by bearing [6] axially locating, the conical surface of gland nut [7] matches with the conical surface of spring tapered sleeve [3], spring tapered sleeve [3] is compressed, bearing [6] supports ball screw to be measured, locking nut [4] and spacer [5] are enclosed within ball screw to be measured, locked and axial restraint.
2. the support unit supporting different axle head sized balls leading screw according to claim 1, it is characterized in that, the outer surface of described spring tapered sleeve [3] is made up of the large conical surface [3-1], cylndrical surface [3-2] and the little conical surface [3-3], wherein the large conical surface [3-1], cylndrical surface [3-2] are all identical with the basal diameter of the little conical surface [3-3], the described large conical surface [3-1] and inner conical drogue [2] coordinate, and play the effect of centering; The cone match of the little conical surface [3-3] and gland nut [7], plays the effect of clamping; Spring tapered sleeve [3] outer surface has some elongated slots [3-4] be parallel to each other, being formed can the jaw of concentric contraction.
3. the support unit supporting different axle head sized balls leading screw according to claim 2, is characterized in that, the material of described spring tapered sleeve [3] is spring steel.
4. the support unit supporting different axle head sized balls leading screw according to claim 1, it is characterized in that, the screw thread [7-1] of described gland nut [7] outer surface and the internal thread of thread bush [9] match, reach and tighten, some grooves [7-2] are vertically had at the outer surface of gland nut [7], in gland nut [7] endoporus, be processed with the conical surface [7-3], pressuring action is played in the little conical surface [3-3] cooperation of this conical surface [7-3] and spring tapered sleeve [3].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042640.4A CN103122981B (en) | 2013-02-04 | 2013-02-04 | A kind of support unit supporting different axle head sized balls leading screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042640.4A CN103122981B (en) | 2013-02-04 | 2013-02-04 | A kind of support unit supporting different axle head sized balls leading screw |
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| Publication Number | Publication Date |
|---|---|
| CN103122981A CN103122981A (en) | 2013-05-29 |
| CN103122981B true CN103122981B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310042640.4A Active CN103122981B (en) | 2013-02-04 | 2013-02-04 | A kind of support unit supporting different axle head sized balls leading screw |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701677A (en) * | 2017-10-30 | 2018-02-16 | 徐州市工大三森科技有限公司 | Unidirectional limiter helical structure |
| CN108980292A (en) * | 2018-07-20 | 2018-12-11 | 长久（滁州）专用汽车有限公司 | A kind of fixed device of lead screw connection |
| CN111365433B (en) * | 2020-04-10 | 2024-02-09 | 山东海滕机床股份有限公司 | Ball screw bearing supporting structure of eccentric structure |
| CN111964837B (en) * | 2020-07-29 | 2022-05-13 | 中国航发北京航科发动机控制系统科技有限公司 | Device and method for testing centrifugal flyweight and rotating speed of aircraft engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814406A (en) * | 2006-02-24 | 2006-08-09 | 徐东杰 | Milling cutter edge grinding machine |
| CN201940503U (en) * | 2010-12-15 | 2011-08-24 | 贵州大学 | Self-locking nut crimping processing device |
| CN202057488U (en) * | 2011-05-09 | 2011-11-30 | 上海理工大学 | High-speed ball screw performance test bed capable of replace screw |
| CN203115035U (en) * | 2013-02-04 | 2013-08-07 | 南京理工大学 | Supporting unit capable of supporting ball screws of different shaft end sizes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006017472A (en) * | 2004-06-30 | 2006-01-19 | Nsk Ltd | Ball screw endurance testing apparatus |
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2013
- 2013-02-04 CN CN201310042640.4A patent/CN103122981B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814406A (en) * | 2006-02-24 | 2006-08-09 | 徐东杰 | Milling cutter edge grinding machine |
| CN201940503U (en) * | 2010-12-15 | 2011-08-24 | 贵州大学 | Self-locking nut crimping processing device |
| CN202057488U (en) * | 2011-05-09 | 2011-11-30 | 上海理工大学 | High-speed ball screw performance test bed capable of replace screw |
| CN203115035U (en) * | 2013-02-04 | 2013-08-07 | 南京理工大学 | Supporting unit capable of supporting ball screws of different shaft end sizes |
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| Publication number | Publication date |
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| CN103122981A (en) | 2013-05-29 |
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